# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/okvjquq
9 張圖帶你理解 Kafka 中高水位 HW**
大家好,我是君哥。Kafka 高水位(簡稱 HW)是 Kafka 中非常重要的一個概念,今天來聊一聊 HW。1 HW 簡介-------HW 是 Kafka 中 Offset 的一個值,HW 作爲一個邊界,Offset 小於 HW 的消息被稱爲已提交消息,這部分消息可以被消費者進行拉取消費,大於等於 HW 的消息被稱爲未提交消息,不能被消費者拉取。如下圖:Offset 小於 108 的消息可以被消 ⌘ Read more